MOA 2020-BLG-239

Event Parameters

Internal ID:gb10-R-10-57058
Discovery date:2020-09-01T19:52:38
RA:18:02:10.60
Dec:-26:40:39.68
Current assessment:microlensing
A transient event found by MOA.

Lightcurve

Finder chart

Nearest catalogued stars

starIDRADecmagseparation
16293 18:02:10.71 -26:40:39.86 17.59 ± 0.04 2.30
16309 18:02:10.72 -26:40:38.25 17.78 ± 0.06 3.18
16343 18:02:10.62 -26:40:43.40 16.88 ± 0.03 3.45
16385 18:02:10.50 -26:40:40.27 17.16 ± 0.09 0.80

Last 5 photometry measurements

Observation dateI magseeing
2460246.852 (2023-Oct-29.352) 16.73 ± 0.08 3.70
2460246.886 (2023-Oct-29.386) 16.72 ± 0.07 4.02
2460246.897 (2023-Oct-29.397) 16.87 ± 0.07 3.52
2460246.908 (2023-Oct-29.408) 16.58 ± 0.07 3.87
2460246.919 (2023-Oct-29.419) 16.52 ± 0.10 4.25

Calibration: I = 27.40 - 2.5 log10(ΔF + 12462.35)

Single lens fit parameters

tmax =JD 2459095.74 ± 0.05 UT (2020-Sep-3.24)
tE =71.62 ± 1.98 days
u0 =0.0001 ± 0.0094
Ibase =19.63 ± 0.14

External data

Gzipped FITS finder chart

All photometry data

Machine readable VOEvent notice